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Finding the Fourth Proportional to 497,159.40, 745,739.10 and 164,692.20

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Solution

The fourth proportional to 497,159.40, 745,739.10 and 164,692.20 is: 247,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,159.40 : 745,739.10 = 164,692.20 : x
  2. Step 2: Convert to fraction form
    497,159.40/745,739.10 = 164,692.20/x
  3. Step 3: Cross multiply
    497,159.40x = 745,739.10 × 164,692.20
  4. Step 4: Simplify right side
    497,159.40x = 122,817,413,005.02
  5. Step 5: Solve for x
    x = 122,817,413,005.02/497,159.40
  6. Step 6: Final answer
    x = 247,038.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.